$ git clone -n https://src.fedoraproject.org/rpms/python-tldextract.git /var/lib/mock/f41-build-side-2-python-2728070-30787/root/chroot_tmpdir/scmroot/python-tldextract
Cloning into '/var/lib/mock/f41-build-side-2-python-2728070-30787/root/chroot_tmpdir/scmroot/python-tldextract'...
$ git fetch origin 834a963b09536321f2937f2c4fd19c721cc331ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-tldextract
 * [new ref]         834a963b09536321f2937f2c4fd19c721cc331ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 834a963 Update to 5.1.2